FATC 60 15. DO’S AND DONT’S FOR A/C SYSTEM Sr. NO. DO’S REASON 1 CLEAN CONDENSER DURING REGULAR SERVICE OF THE VEHICLE DIRTY CLOGGED CONDENSER RESULTS IN A/C TRIPPING AND LESS COOLING. 2 MAINTAIN PROPER REFRIGERANT LEVEL LESS REFRIGERANT RESULTS IN LESS COOLING. 3 ADD RECOMMENDED OIL ~ QUANTITY IN THE COMPRESSOR DURING REFRIGERANT CHARGING. ADEQUATE QUANTITY OF COMPRESSOR OIL PREVENTS POOR PUMPING AND PREMATURE WEARING OF INTERNAL COMPONENTS. 4 CLEAN EVAPORATOR PERIODICALLY TO REMOVE DUST AND FOREIGN PARTICLES. CLOGGED EVAPORATOR RESULTS IN LESS AIR FLOW AND REDUCED COOLING 5 ADJUST FRESH AIR AND HEATER CABLE PROPERLY TO CLOSE DAMPER’S FIRMLY. UNADJUSTED CABLE WILL RESULT IN MIXING OF HOT AIR WITH COOL AIR. 6 EDUCATE CUSTOMER ON PROPER USAGE OF A/C CONTROLS (REFER OWNERS MANUAL). PROPER USAGE OF A/C CONTROL WILL GIVE OPTIMUM COOLING. 7 ADJUST PROPER ENGINE RPM. LESS RPM WILL RESULT IN STALLING OF ENGINE AND LESS COOLING. 8 CHECK COOLANT LEVEL AND ENSURE PROPER TUNING OF ENGINE THIS WILL PREVENT OVERHEATING OF ENGINE 9 CHECK PROPER BELT TENSION. LOOSE BELT WILL SLIP AND OVER TIGHT BELT WILL RESULT IN NOISE AND PREMATURE FAILURE OF MAGNETIC CLUTCH OF THE COMPRESSOR. 10 WHEN USING HEATER AIWASY TURN ON THE A/C THIS WILL AVOID THE FOGGING Sr. NO. DONT’S REASON 1 DO NOT USE A/C WITH FRESH MODE OPEN IN DUSTY ENVIRONMENT THIS WILL LEAD TO MIXING OF OUTSIDE AIR WITH COOL AIR INSIDE THEREBY REDUCING COOLING EFFECT. 3 DO NOT OPERATE A/C WITH OUT REFRIGERANT IN THE SYSTEM. THIS WILL RESULT IN PREMATURE FAILURE OF COMPRESSOR. 4 DO NOT LEAK CHECK THE A/C SYSTEM WITH MORE THAN 20 KG/CM’ PRESSURE. HIGHER PRESSURE MAY RESULT IN DAMAGE TO A/C COMPONENTS. 5 DO NOT LEAVE A/C JOINTS OPEN. MOISTURE TENDS TO ENTER THE A/C SYSTEM IF THE JOINTS REMAIN OPEN FOR LONG TIME 6 DO NOT CHARGE REFRIGERANT IN THE A/C SYSTEM WITHOUT CARRYING OUT PROPER VACUUM. IMPROPER OR NO VACUUMING OF THE A/C SYSTEM RESULTS IN LESS COOLING CONDITIONS
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